6700 P.C. Board Thermostat The Airpax ~~, Series 6700 is a =A 6miniature bimetallic snap acting thermostat which provides accurate and reliable sensing and switching in a single device. Primarily developed for thermal management applications on power supplies, the Series 6700 is also ideally suited for use on crowded P.C. boards. It provides fast, positive response and excellent repeatability with 1 amp switching capability at 48 VDC over its operating temperature range of 40C to 110C (104F to 230F). The operating temperature is pre-set at the factory and is non- adjustable in the field. The single pole/single throw switch assembly features a bimetallic element thatis rated 100,000 cycles at 5 VDC 20 mA resistive or in excess of 1,000,000 operations mechanically. This unit features a positive snap action, available in either normally closed, open on rising temperature or normally open, close on rising temperature. The 6700 thermostat dimen- sionally conforms to the international product package standard Y220/ T0220, Thus, the.6700 may be automatically placed and soldered onto P.C. boards with high speed automated equipment, eliminating the need for the expensive hand placement and termination required today for most power supply thermostats. The nickel-plated copper mounting bracket allows this device to be directly mounted to. the heat sink to sense an over-temperature condition caused by other components mounted close by or insufficient cooling due to external conditions. Typical uses include turning on an indicator light, sounding an audible alarm, switching on a control circuit to send a message to a display screen or even switching a circuit to shut down a system. Applications include computers and computer peripherals, aircraft, automotive, and test equipment. Specifications: Contact Resistance: 50 Millionms max. (before and after rated life) Contact Ratings: Amps Cycles Voltage (Resistive) 30,000 48 VDC 1 30,000 120 VAC 1 100,000 5 VDC .020 100,000 5 VDC 001 Contact Operations: Either openon tise or close on rise Operating Temperature Range: 40C (104F) to 110C (230F) Standard Operating Temperature Tolerance: +5C (+9F) Nominal operating temperature settings in.5C (9F) increments US Patent No: 4,795,997 i i (2) to T T F SCHEMATIC SCHEMATIC (OPEN ON RAISE) (CLOSE ON. Rise) (CASE I (TED FROM TERMINALS) {CASE ISOLATED FROM TERMINALS) 4704.25 19,46%,1. [-as0Kc08 | 165 010 f 9 Tf Lottie ' wi 1 boas 6.35250 . 2502620 279213 AOR! T_ AIRPAX & 3805-30-32 67L.065 2 . t NOTE MCL FLASH MAT Be ~" 549845 (APPLIES TO BOTH TERMINALS) | BUEOOS : ff f : t 1427 5 2 1 tO | 79%,1 2 H Hl fer 1102.00, ae RESy_- e 013. 4 | sores he RES,Short Term Exposure Limit: 260C (500F), 10 sec. Long Term Exposure Limit: 65C (67F) to 160C (3820F) Dielectric Strength: 1480 VAC 60 Hz, 1 second terminals to case Insulation Resistance: 100 Megohms at 500 VDC Contact Bounce - make: 3 ms max. Weight: Approximately 0.5 grams Seal: Epoxy sealed for wave soldering and cleaning. Moisture proof per Airpax Spec. -722 (unit will not leak while submerged in 9 of water for a minimum of two minutes). Vibration: Per Mil-Std-202, Method 204D, Test Condition D, 10-2,000 Hz. Shock: Per Mil-Std-202, Method 213, Test Condition C, 100 Gs, 6 milliseconds, Ya sine wave. Humidity: Moisture resistant per Mil-Std-202F, Method 106E, Chemical Resistance: Unit is resistant to water, salt, alcohol, ammonia, trichlorethane, and most other organic solvents. Solderability: Terminal material is selectively striped with 60/40 solder for improved solderability. Resistance to Soldering Heat: Per Mil-Std-202F, Method 210A, Test Condition E. Mechanical Life: 1,000,000 operations. UL & CSA File Numbers: UL Recognized E36687 CSA Certified LR25561 Materials: Seal: High temperature epoxy Base: PPS (Polyphenylene Sulfide), 94 VO rated Terminals: 65% Copper, 18% Nickel Contacts: Gold-plated Silver cross bar Bracket: Nickel-plated copper 6700 SERIES STANDARD CALIBRATIONS OPERATE(+5C) | RESET(MINC) DIFFERENTIAL (MIN C) 40 20 4 45 20 4 50 30 4 55 30 4 60 40 4 65 40 4 70 50 4 75 50 4 80 55 6 85 55 6 90 60 6 95 60 6. 100 70 6 105 70 6 110 80 6 How to use this chart Each thermostat Part Number consists of functional building blocks to enable the user to specify clearly and precisely the desired characteristics in each category. Select the proper Code in each category, then transfer it to the box indicated. Unless a special requirement is indicated, the Part Number will be complete when the proper temperature is selected. If you have a special requirement, please call Airpax for a factory assigned number to complete the Part Number. Example: A 67F060 thermostat will close (make contact) on a rising temperature from 55C to 65C and will reset (break contact) on a falling temperature no less than 4C lower than the actual close temperature and_no lower than 40C actual temperature. e7[] CAL ICT EX) XIX) Contact Operation: F = Fan (CLR) L = Limit (OPR) Operating Temperature in Degrees C, Factory Assigned Number for Special Requirements Temperature set point calibration is checked at Airpax with precision test equipment and proven methods. Because customer checking methods may differ, a typical variance allowed for correlation is +1 degree C. ,<. F. c. Fe F. c F. <. 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